/* ------------------------------------------------------------------------
    Class: prettyPhoto
    Use: Lightbox clone for jQuery
    Author: Stephane Caron (http://www.no-margin-for-errors.com)
    Version: 3.0.1
------------------------------------------------------------------------- */

(function($) {
    $.prettyPhoto = {version: '3.0'};
    
    $.fn.prettyPhoto = function(pp_settings) {
        pp_settings = jQuery.extend({
            animation_speed: 'fast', /* fast/slow/normal */
            slideshow: false, /* false OR interval time in ms */
            autoplay_slideshow: false, /* true/false */
            opacity: 0.80, /* Value between 0 and 1 */
            show_title: true, /* true/false */
            allow_resize: true, /* Resize the photos bigger than viewport. true/false */
            default_width: 500,
            default_height: 344,
            counter_separator_label: '/', /* The separator for the gallery counter 1 "of" 2 */
            theme: 'light_square', /* light_rounded / dark_rounded / light_square / dark_square / facebook */
            hideflash: false, /* Hides all the flash object on a page, set to TRUE if flash appears over prettyPhoto */
            wmode: 'opaque', /* Set the flash wmode attribute */
            autoplay: false, /* Automatically start videos: True/False */
            modal: false, /* If set to true, only the close button will close the window */
            overlay_gallery: true, /* If set to true, a gallery will overlay the fullscreen image on mouse over */
            keyboard_shortcuts: true, /* Set to false if you open forms inside prettyPhoto */
            changepicturecallback: function(){}, /* Called everytime an item is shown/changed */
            showcallback: function(){}, /* Called everytime an item is shown/changed */
            callback: function(){}, /* Called when prettyPhoto is closed */
            markup: '<div class="pp_pic_holder"> \
                        <div class="ppt">&nbsp;</div> \
                        <div class="pp_top"> \
                            <div class="pp_left"></div> \
                            <div class="pp_middle"></div> \
                            <div class="pp_right"></div> \
                        </div> \
                        <div class="pp_content_container"> \
                            <div class="pp_left"> \
                            <div class="pp_right"> \
                                <div class="pp_content"> \
                                    <div class="pp_loaderIcon"></div> \
                                    <div class="pp_fade"> \
                                        <a href="#" class="pp_expand" title="Expand the image">Expand</a> \
                                        <div class="pp_hoverContainer"> \
                                            <a class="pp_next" href="#">next</a> \
                                            <a class="pp_previous" href="#">previous</a> \
                                        </div> \
                                        <div id="pp_full_res"></div> \
                                        <div class="pp_details clearfix"> \
                                            <p class="pp_description"></p> \
                                            <div class="pp_nav"> \
                                                <a class="pp_close" href="#">Close</a> \
                                                <a href="#" class="pp_arrow_previous">Previous</a> \
                                                <p class="currentTextHolder">0/0</p> \
                                                <a href="#" class="pp_arrow_next">Next</a> \
                                            </div> \
                                        </div> \
                                    </div> \
                                </div> \
                            </div> \
                            </div> \
                        </div> \
                        <div class="pp_bottom"> \
                            <div class="pp_left"></div> \
                            <div class="pp_middle"></div> \
                            <div class="pp_right"></div> \
                        </div> \
                    </div> \
                    <div class="pp_overlay"></div>',
            gallery_markup: '<div class="pp_gallery"> \
                                <a href="#" class="pp_arrow_previous">Previous</a> \
                                <ul> \
                                    {gallery} \
                                </ul> \
                                <a href="#" class="pp_arrow_next">Next</a> \
                            </div>',
            image_markup: '<img id="fullResImage" src="" />',
            flash_markup: '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="{width}" height="{height}"><param name="wmode" value="{wmode}" /><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="{path}" /><embed src="{path}" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="{width}" height="{height}" wmode="{wmode}"></embed></object>',
            quicktime_markup: '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="{height}" width="{width}"><param name="src" value="{path}"><param name="autoplay" value="{autoplay}"><param name="type" value="video/quicktime"><embed src="{path}" height="{height}" width="{width}" autoplay="{autoplay}" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>',
            iframe_markup: '<iframe src ="{path}" width="{width}" height="{height}" frameborder="no"></iframe>',
            inline_markup: '<div class="pp_inline clearfix">{content}</div>',
            custom_markup: ''
        }, pp_settings);
        
        // Global variables accessible only by prettyPhoto
        var matchedObjects = this, percentBased = false, correctSizes, pp_open,
        
        // prettyPhoto container specific
        pp_contentHeight, pp_contentWidth, pp_containerHeight, pp_containerWidth,
        
        // Window size
        windowHeight = $(window).height(), windowWidth = $(window).width(),

        // Global elements
        pp_slideshow;
        
        doresize = true, scroll_pos = _get_scroll();
    
        // Window/Keyboard events
        $(window).unbind('resize').resize(function(){ _center_overlay(); _resize_overlay(); });
        
        if(pp_settings.keyboard_shortcuts) {
            $(document).unbind('keydown').keydown(function(e){
                if(typeof $pp_pic_holder != 'undefined'){
                    if($pp_pic_holder.is(':visible')){
                        switch(e.keyCode){
                            case 37:
                                $.prettyPhoto.changePage('previous');
                                break;
                            case 39:
                                $.prettyPhoto.changePage('next');
                                break;
                            case 27:
                                if(!settings.modal)
                                $.prettyPhoto.close();
                                break;
                        };
                        return false;
                    };
                };
            });
        }
        
        
        /**
        * Initialize prettyPhoto.
        */
        $.prettyPhoto.initialize = function() {
            settings = pp_settings;
            
            if($.browser.msie && parseInt($.browser.version) == 6) settings.theme = "light_square"; // Fallback to a supported theme for IE6
            
            _buildOverlay(this); // Build the overlay {this} being the caller
            
            if(settings.allow_resize)
                $(window).scroll(function(){ _center_overlay(); });
                
            _center_overlay();
            
            set_position = jQuery.inArray($(this).attr('href'), pp_images); // Define where in the array the clicked item is positionned
            
            $.prettyPhoto.open();
            
            return false;
        }


        /**
        * Opens the prettyPhoto modal box.
        * @param image {String,Array} Full path to the image to be open, can also be an array containing full images paths.
        * @param title {String,Array} The title to be displayed with the picture, can also be an array containing all the titles.
        * @param description {String,Array} The description to be displayed with the picture, can also be an array containing all the descriptions.
        */
        $.prettyPhoto.open = function(event) {
            if(typeof settings == "undefined"){ // Means it's an API call, need to manually get the settings and set the variables
                settings = pp_settings;
                if($.browser.msie && $.browser.version == 6) settings.theme = "light_square"; // Fallback to a supported theme for IE6
                _buildOverlay(event.target); // Build the overlay {this} being the caller
                pp_images = $.makeArray(arguments[0]);
                pp_titles = (arguments[1]) ? $.makeArray(arguments[1]) : $.makeArray("");
                pp_descriptions = (arguments[2]) ? $.makeArray(arguments[2]) : $.makeArray("");
                isSet = (pp_images.length > 1) ? true : false;
                set_position = 0;
            }

            if($.browser.msie && $.browser.version == 6) $('select').css('visibility','hidden'); // To fix the bug with IE select boxes
            
            if(settings.hideflash) $('object,embed').css('visibility','hidden'); // Hide the flash

            _checkPosition($(pp_images).size()); // Hide the next/previous links if on first or last images.
        
            $('.pp_loaderIcon').show();
        
            // Fade the content in
            if($ppt.is(':hidden')) $ppt.css('opacity',0).show();
            $pp_overlay.show().fadeTo(settings.animation_speed,settings.opacity);

            // Display the current position
            $pp_pic_holder.find('.currentTextHolder').text((set_position+1) + settings.counter_separator_label + $(pp_images).size());

            // Set the description
            $pp_pic_holder.find('.pp_description').show().html(unescape(pp_descriptions[set_position]));

            // Set the title
            (settings.show_title && pp_titles[set_position] != "" && typeof pp_titles[set_position] != "undefined") ? $ppt.html(unescape(pp_titles[set_position])) : $ppt.html('&nbsp;');
            
            // Get the dimensions
            movie_width = ( parseFloat(grab_param('width',pp_images[set_position])) ) ? grab_param('width',pp_images[set_position]) : settings.default_width.toString();
            movie_height = ( parseFloat(grab_param('height',pp_images[set_position])) ) ? grab_param('height',pp_images[set_position]) : settings.default_height.toString();
            
            // If the size is % based, calculate according to window dimensions
            if(movie_width.indexOf('%') != -1 || movie_height.indexOf('%') != -1){
                movie_height = parseFloat(($(window).height() * parseFloat(movie_height) / 100) - 150);
                movie_width = parseFloat(($(window).width() * parseFloat(movie_width) / 100) - 150);
                percentBased = true;
            }else{
                percentBased = false;
            }
            
            // Fade the holder
            $pp_pic_holder.fadeIn(function(){
                imgPreloader = "";
                
                // Inject the proper content
                switch(_getFileType(pp_images[set_position])){
                    case 'image':
                        imgPreloader = new Image();

                        // Preload the neighbour images
                        nextImage = new Image();
                        if(isSet && set_position > $(pp_images).size()) nextImage.src = pp_images[set_position + 1];
                        prevImage = new Image();
                        if(isSet && pp_images[set_position - 1]) prevImage.src = pp_images[set_position - 1];

                        $pp_pic_holder.find('#pp_full_res')[0].innerHTML = settings.image_markup;
                        $pp_pic_holder.find('#fullResImage').attr('src',pp_images[set_position]);

                        imgPreloader.onload = function(){
                            // Fit item to viewport
                            correctSizes = _fitToViewport(imgPreloader.width,imgPreloader.height);

                            _showContent();
                        };

                        imgPreloader.onerror = function(){
                            alert('Image cannot be loaded. Make sure the path is correct and image exist.');
                            $.prettyPhoto.close();
                        };
                    
                        imgPreloader.src = pp_images[set_position];
                    break;
                
                    case 'youtube':
                        correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport

                        movie = 'http://www.youtube.com/v/'+grab_param('v',pp_images[set_position]);
                        if(settings.autoplay) movie += "&autoplay=1";
                    
                        toInject = settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,movie);
                    break;
                
                    case 'vimeo':
                        correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport
                    
                        movie_id = pp_images[set_position];
                        var regExp = /http:\/\/(www\.)?vimeo.com\/(\d+)/;
                        var match = movie_id.match(regExp);
                        
                        movie = 'http://player.vimeo.com/video/'+ match[2] +'?title=0&amp;byline=0&amp;portrait=0';
                        if(settings.autoplay) movie += "&autoplay=1;";
                
                        vimeo_width = correctSizes['width'] + '/embed/?moog_width='+ correctSizes['width'];
                
                        toInject = settings.iframe_markup.replace(/{width}/g,vimeo_width).replace(/{height}/g,correctSizes['height']).replace(/{path}/g,movie);
                    break;
                
                    case 'quicktime':
                        correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport
                        correctSizes['height']+=15; correctSizes['contentHeight']+=15; correctSizes['containerHeight']+=15; // Add space for the control bar
                
                        toInject = settings.quicktime_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,pp_images[set_position]).replace(/{autoplay}/g,settings.autoplay);
                    break;
                
                    case 'flash':
                        correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport
                    
                        flash_vars = pp_images[set_position];
                        flash_vars = flash_vars.substring(pp_images[set_position].indexOf('flashvars') + 10,pp_images[set_position].length);

                        filename = pp_images[set_position];
                        filename = filename.substring(0,filename.indexOf('?'));
                    
                        toInject =  settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,filename+'?'+flash_vars);
                    break;
                
                    case 'iframe':
                        correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport
                
                        frame_url = pp_images[set_position];
                        frame_url = frame_url.substr(0,frame_url.indexOf('iframe')-1);
                
                        toInject = settings.iframe_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{path}/g,frame_url);
                    break;
                    
                    case 'custom':
                        correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport
                    
                        toInject = settings.custom_markup;
                    break;
                
                    case 'inline':
                        // to get the item height clone it, apply default width, wrap it in the prettyPhoto containers , then delete
                        myClone = $(pp_images[set_position]).clone().css({'width':settings.default_width}).wrapInner('<div id="pp_full_res"><div class="pp_inline clearfix"></div></div>').appendTo($('body'));
                        correctSizes = _fitToViewport($(myClone).width(),$(myClone).height());
                        $(myClone).remove();
                        toInject = settings.inline_markup.replace(/{content}/g,$(pp_images[set_position]).html());
                    break;
                };

                if(!imgPreloader){
                    $pp_pic_holder.find('#pp_full_res')[0].innerHTML = toInject;
                
                    // Show content
                    _showContent();
                };
            });

            return false;
        };

    
        /**
        * Change page in the prettyPhoto modal box
        * @param direction {String} Direction of the paging, previous or next.
        */
        $.prettyPhoto.changePage = function(direction){
            currentGalleryPage = 0;
            
            if(direction == 'previous') {
                set_position--;
                if (set_position < 0){
                    set_position = 0;
                    return;
                };
            }else if(direction == 'next'){
                set_position++;
                if(set_position > $(pp_images).size()-1) {
                    set_position = 0;
                }
            }else{
                set_position=direction;
            };

            if(!doresize) doresize = true; // Allow the resizing of the images
            $('.pp_contract').removeClass('pp_contract').addClass('pp_expand');

            _hideContent(function(){ $.prettyPhoto.open(); });
        };


        /**
        * Change gallery page in the prettyPhoto modal box
        * @param direction {String} Direction of the paging, previous or next.
        */
        $.prettyPhoto.changeGalleryPage = function(direction){
            if(direction=='next'){
                currentGalleryPage ++;

                if(currentGalleryPage > totalPage){
                    currentGalleryPage = 0;
                };
            }else if(direction=='previous'){
                currentGalleryPage --;

                if(currentGalleryPage < 0){
                    currentGalleryPage = totalPage;
                };
            }else{
                currentGalleryPage = direction;
            };
            
            // Slide the pages, if we're on the last page, find out how many items we need to slide. To make sure we don't have an empty space.
            itemsToSlide = (currentGalleryPage == totalPage) ? pp_images.length - ((totalPage) * itemsPerPage) : itemsPerPage;
            
            // edit110208
            if (pp_images.length <= 1) {
                $pp_pic_holder.find(".pp_gallery").remove();
            };
            
            $pp_pic_holder.find('.pp_gallery li').each(function(i){
                $(this).animate({
                    'left': (i * itemWidth) - ((itemsToSlide * itemWidth) * currentGalleryPage)
                });
            });
            
        };


        /**
        * Start the slideshow...
        */
        $.prettyPhoto.startSlideshow = function(){
            if(typeof pp_slideshow == 'undefined'){
                $pp_pic_holder.find('.pp_play').unbind('click').removeClass('pp_play').addClass('pp_pause').click(function(){
                    $.prettyPhoto.stopSlideshow();
                    return false;
                });
                pp_slideshow = setInterval($.prettyPhoto.startSlideshow,settings.slideshow);
            }else{
                $.prettyPhoto.changePage('next');   
            };
        }


        /**
        * Stop the slideshow...
        */
        $.prettyPhoto.stopSlideshow = function(){
            $pp_pic_holder.find('.pp_pause').unbind('click').removeClass('pp_pause').addClass('pp_play').click(function(){
                $.prettyPhoto.startSlideshow();
                return false;
            });
            clearInterval(pp_slideshow);
            pp_slideshow=undefined;
        }


        /**
        * Closes prettyPhoto.
        */
        $.prettyPhoto.close = function(){

            clearInterval(pp_slideshow);
            
            $pp_pic_holder.stop().find('object,embed').css('visibility','hidden');
            
            $('div.pp_pic_holder,div.ppt,.pp_fade').fadeOut(settings.animation_speed,function(){ $(this).remove(); });
            
            $pp_overlay.fadeOut(settings.animation_speed, function(){
                if($.browser.msie && $.browser.version == 6) $('select').css('visibility','visible'); // To fix the bug with IE select boxes
                
                if(settings.hideflash) $('object,embed').css('visibility','visible'); // Show the flash
                
                $(this).remove(); // No more need for the prettyPhoto markup
                
                $(window).unbind('scroll');
                
                settings.callback();
                
                doresize = true;
                
                pp_open = false;
                
                delete settings;
            });
        };
    
        /**
        * Set the proper sizes on the containers and animate the content in.
        */
        _showContent = function(){
            $('.pp_loaderIcon').hide();
            
            $ppt.fadeTo(settings.animation_speed,1);

            // Calculate the opened top position of the pic holder
            projectedTop = scroll_pos['scrollTop'] + ((windowHeight/2) - (correctSizes['containerHeight']/2));
            if(projectedTop < 0) projectedTop = 0;

            // Resize the content holder
            $pp_pic_holder.find('.pp_content').animate({'height':correctSizes['contentHeight']},settings.animation_speed);
            
            // Resize picture the holder
            $pp_pic_holder.animate({
                'top': projectedTop,
                'left': (windowWidth/2) - (correctSizes['containerWidth']/2),
                'width': correctSizes['containerWidth']
            },settings.animation_speed,function(){
                $pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(correctSizes['height']).width(correctSizes['width']);

                $pp_pic_holder.find('.pp_fade').fadeIn(settings.animation_speed); // Fade the new content

                // Show the nav
                if(isSet && _getFileType(pp_images[set_position])=="image") { $pp_pic_holder.find('.pp_hoverContainer').show(); }else{ $pp_pic_holder.find('.pp_hoverContainer').hide(); }
            
                if(correctSizes['resized']) $('a.pp_expand,a.pp_contract').fadeIn(settings.animation_speed); // Fade the resizing link if the image is resized
                
                if(settings.autoplay_slideshow && !pp_slideshow && !pp_open) $.prettyPhoto.startSlideshow();
                
                settings.changepicturecallback(); // Callback!
                pp_open = true;
                settings.showcallback(); // Callback!edit 110207
            });
            
            _insert_gallery();          
        };
        
        /**
        * Hide the content...DUH!
        */
        function _hideContent(callback){
            // Fade out the current picture
            $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
            $pp_pic_holder.find('.pp_fade').fadeOut(settings.animation_speed,function(){
                $('.pp_loaderIcon').show();
                
                callback();
            });
        };
    
        /**
        * Check the item position in the gallery array, hide or show the navigation links
        * @param setCount {integer} The total number of items in the set
        */
        function _checkPosition(setCount){
            // If at the end, hide the next link
            if(set_position == setCount-1) {
                $pp_pic_holder.find('a.pp_next').css('visibility','hidden');
                $pp_pic_holder.find('a.pp_next').addClass('disabled').unbind('click');
            }else{ 
                $pp_pic_holder.find('a.pp_next').css('visibility','visible');
                $pp_pic_holder.find('a.pp_next.disabled').removeClass('disabled').bind('click',function(){
                    $.prettyPhoto.changePage('next');
                    return false;
                });
            };
        
            // If at the beginning, hide the previous link
            if(set_position == 0) {
                $pp_pic_holder
                    .find('a.pp_previous')
                    .css('visibility','hidden')
                    .addClass('disabled')
                    .unbind('click');
            }else{
                $pp_pic_holder.find('a.pp_previous.disabled')
                    .css('visibility','visible')
                    .removeClass('disabled')
                    .bind('click',function(){
                        $.prettyPhoto.changePage('previous');
                        return false;
                    });
            };
            
            (setCount > 1) ? $('.pp_arrow_previous, .currentTextHolder, .pp_arrow_next').show() : $('.pp_arrow_previous, .currentTextHolder, .pp_arrow_next').hide(); // Hide the bottom nav if it's not a set.
        };
    
        /**
        * Resize the item dimensions if it's bigger than the viewport
        * @param width {integer} Width of the item to be opened
        * @param height {integer} Height of the item to be opened
        * @return An array containin the "fitted" dimensions
        */
        function _fitToViewport(width,height){
            resized = false;

            _getDimensions(width,height);
            
            // Define them in case there's no resize needed
            imageWidth = width, imageHeight = height;

            if( ((pp_containerWidth > windowWidth) || (pp_containerHeight > windowHeight)) && doresize && settings.allow_resize && !percentBased) {
                resized = true, fitting = false;
            
                while (!fitting){
                    if((pp_containerWidth > windowWidth)){
                        imageWidth = (windowWidth - 200);
                        imageHeight = (height/width) * imageWidth;
                    }else if((pp_containerHeight > windowHeight)){
                        imageHeight = (windowHeight - 200);
                        imageWidth = (width/height) * imageHeight;
                    }else{
                        fitting = true;
                    };

                    pp_containerHeight = imageHeight, pp_containerWidth = imageWidth;
                };
            
                _getDimensions(imageWidth,imageHeight);
            };

            return {
                width:Math.floor(imageWidth),
                height:Math.floor(imageHeight),
                containerHeight:Math.floor(pp_containerHeight),
                containerWidth:Math.floor(pp_containerWidth) + 40, // 40 behind the side padding
                contentHeight:Math.floor(pp_contentHeight),
                contentWidth:Math.floor(pp_contentWidth),
                resized:resized
            };
        };
        
        /**
        * Get the containers dimensions according to the item size
        * @param width {integer} Width of the item to be opened
        * @param height {integer} Height of the item to be opened
        */
        function _getDimensions(width,height){
            width = parseFloat(width);
            height = parseFloat(height);
            
            // Get the details height, to do so, I need to clone it since it's invisible
            $pp_details = $pp_pic_holder.find('.pp_details');
            $pp_details.width(width);
            detailsHeight = parseFloat($pp_details.css('marginTop')) + parseFloat($pp_details.css('marginBottom'));
            $pp_details = $pp_details.clone().appendTo($('body')).css({
                'position':'absolute',
                'top':-10000
            });
            detailsHeight += $pp_details.height();
            detailsHeight = (detailsHeight <= 34) ? 36 : detailsHeight; // Min-height for the details
            if($.browser.msie && $.browser.version==7) detailsHeight+=8;
            $pp_details.remove();
            
            // Get the container size, to resize the holder to the right dimensions
            pp_contentHeight = height + detailsHeight;
            pp_contentWidth = width;
            pp_containerHeight = pp_contentHeight + $ppt.height() + $pp_pic_holder.find('.pp_top').height() + $pp_pic_holder.find('.pp_bottom').height();
            pp_containerWidth = width;
        }
    
        function _getFileType(itemSrc){
            if (itemSrc.match(/youtube\.com\/watch/i)) {
                return 'youtube';
            }else if (itemSrc.match(/vimeo\.com/i)) {
                return 'vimeo';
            }else if(itemSrc.indexOf('.mov') != -1){ 
                return 'quicktime';
            }else if(itemSrc.indexOf('.swf') != -1){
                return 'flash';
            }else if(itemSrc.indexOf('iframe') != -1){
                return 'iframe';
            }else if(itemSrc.indexOf('custom') != -1){
                return 'custom';
            }else if(itemSrc.substr(0,1) == '#'){
                return 'inline';
            }else{
                return 'image';
            };
        };
    
        function _center_overlay(){
            if(doresize && typeof $pp_pic_holder != 'undefined') {
                scroll_pos = _get_scroll();
                
                titleHeight = $ppt.height(), contentHeight = $pp_pic_holder.height(), contentwidth = $pp_pic_holder.width();
                
                projectedTop = (windowHeight/2) + scroll_pos['scrollTop'] - (contentHeight/2);
                
                $pp_pic_holder.css({
                    'top': projectedTop,
                    'left': (windowWidth/2) + scroll_pos['scrollLeft'] - (contentwidth/2)
                });
            };
        };
    
        function _get_scroll(){
            if (self.pageYOffset) {
                return {scrollTop:self.pageYOffset,scrollLeft:self.pageXOffset};
            } else if (document.documentElement && document.documentElement.scrollTop) { // Explorer 6 Strict
                return {scrollTop:document.documentElement.scrollTop,scrollLeft:document.documentElement.scrollLeft};
            } else if (document.body) {// all other Explorers
                return {scrollTop:document.body.scrollTop,scrollLeft:document.body.scrollLeft};
            };
        };
    
        function _resize_overlay() {
            windowHeight = $(window).height(), windowWidth = $(window).width();
            
            if(typeof $pp_overlay != "undefined") $pp_overlay.height($(document).height());
        };
    
        function _insert_gallery(){
            if(isSet && settings.overlay_gallery && _getFileType(pp_images[set_position])=="image") {
                itemWidth = 52+5; // 52 beign the thumb width, 5 being the right margin.
                navWidth = (settings.theme == "facebook") ? 58 : 38; // Define the arrow width depending on the theme
                
                itemsPerPage = Math.floor((correctSizes['containerWidth'] - 100 - navWidth) / itemWidth);
                itemsPerPage = (itemsPerPage < pp_images.length) ? itemsPerPage : pp_images.length;
                totalPage = Math.ceil(pp_images.length / itemsPerPage) - 1;

                // Hide the nav in the case there's no need for links
                if(totalPage == 0){
                    navWidth = 0; // No nav means no width!
                    $pp_pic_holder.find('.pp_gallery .pp_arrow_next,.pp_gallery .pp_arrow_previous').hide();
                }else{
                    $pp_pic_holder.find('.pp_gallery .pp_arrow_next,.pp_gallery .pp_arrow_previous').show();
                };

                galleryWidth = itemsPerPage * itemWidth + navWidth;
                
                // Set the proper width to the gallery items
                $pp_pic_holder.find('.pp_gallery')
                    .width(galleryWidth)
                    .css('margin-left',-(galleryWidth/2));
                    
                $pp_pic_holder
                    .find('.pp_gallery ul')
                    .width(itemsPerPage * itemWidth)
                    .find('li.selected')
                    .removeClass('selected');
                
                goToPage = (Math.floor(set_position/itemsPerPage) <= totalPage) ? Math.floor(set_position/itemsPerPage) : totalPage;
                
                
                if(itemsPerPage) {
                    $pp_pic_holder.find('.pp_gallery').hide().show().removeClass('disabled');
                }else{
                    $pp_pic_holder.find('.pp_gallery').hide().addClass('disabled');
                }
                
                $.prettyPhoto.changeGalleryPage(goToPage);
                
                $pp_pic_holder
                    .find('.pp_gallery ul li:eq('+set_position+')')
                    .addClass('selected');
            }else{
                $pp_pic_holder.find('.pp_content').unbind('mouseenter mouseleave');
                $pp_pic_holder.find('.pp_gallery').hide();
            }
        }
    
        function _buildOverlay(caller){
            // Find out if the picture is part of a set
            theRel = $(caller).attr('rel');
            galleryRegExp = /\[(?:.*)\]/;
            isSet = (galleryRegExp.exec(theRel)) ? true : false;
            
            // Put the SRCs, TITLEs, ALTs into an array.
            pp_images = (isSet) ? jQuery.map(matchedObjects, function(n, i){ if($(n).attr('rel').indexOf(theRel) != -1) return $(n).attr('href'); }) : $.makeArray($(caller).attr('href'));
            pp_titles = (isSet) ? jQuery.map(matchedObjects, function(n, i){ if($(n).attr('rel').indexOf(theRel) != -1) return ($(n).find('img').attr('alt')) ? $(n).find('img').attr('alt') : ""; }) : $.makeArray($(caller).find('img').attr('alt'));
            pp_descriptions = (isSet) ? jQuery.map(matchedObjects, function(n, i){ if($(n).attr('rel').indexOf(theRel) != -1) return ($(n).attr('title')) ? $(n).attr('title') : ""; }) : $.makeArray($(caller).attr('title'));
            
            $('body').append(settings.markup); // Inject the markup
            
            $pp_pic_holder = $('.pp_pic_holder') , $ppt = $('.ppt'), $pp_overlay = $('div.pp_overlay'); // Set my global selectors
            
            // Inject the inline gallery!
            if(isSet && settings.overlay_gallery) {
                currentGalleryPage = 0;
                toInject = "";
                for (var i=0; i < pp_images.length; i++) {
                    var regex = new RegExp("(.*?)\.(jpg|jpeg|png|gif)$");
                    var results = regex.exec( pp_images[i] );
                    if(!results){
                        classname = 'default';
                    }else{
                        classname = '';
                    }
                    toInject += "<li class='"+classname+"'><a href='#'><img src='" + pp_images[i] + "' height='50' alt='' /></a></li>";
                };
                
                toInject = settings.gallery_markup.replace(/{gallery}/g,toInject);
                
                $pp_pic_holder.find('#pp_full_res').after(toInject);
                
                $pp_pic_holder.find('.pp_gallery .pp_arrow_next').click(function(){
                    $.prettyPhoto.changeGalleryPage('next');
                    $.prettyPhoto.stopSlideshow();
                    return false;
                });
                
                $pp_pic_holder.find('.pp_gallery .pp_arrow_previous').click(function(){
                    $.prettyPhoto.changeGalleryPage('previous');
                    $.prettyPhoto.stopSlideshow();
                    return false;
                });

                $pp_pic_holder.find('.pp_content').hover(
                    function(){
                        $pp_pic_holder.find('.pp_gallery:not(.disabled)').fadeIn();
                    },
                    function(){
                        $pp_pic_holder.find('.pp_gallery:not(.disabled)').fadeOut();
                    });

                itemWidth = 52+5; // 52 beign the thumb width, 5 being the right margin.
                $pp_pic_holder.find('.pp_gallery ul li').each(function(i){
                    $(this).css({
                        'position':'absolute',
                        'left': i * itemWidth
                    });
                    

                    $(this).find('a').unbind('click').click(function(){
                        $.prettyPhoto.changePage(i);
                        $.prettyPhoto.stopSlideshow();
                        return false;
                    });

                });
            };
            
            
            // Inject the play/pause if it's a slideshow
            if(settings.slideshow){
                $pp_pic_holder.find('.pp_nav').prepend('<a href="#" class="pp_play">Play</a>')
                $pp_pic_holder.find('.pp_nav .pp_play').click(function(){
                    $.prettyPhoto.startSlideshow();
                    return false;
                });
            }
            
            $pp_pic_holder.attr('class','pp_pic_holder ' + settings.theme); // Set the proper theme
            
            //edit 110228
                if(jQuery.browser.msie && parseInt(jQuery.browser.version) == 8){
                $pp_overlay
                    .css({
                        'opacity':0,
                        'height':$(document).height(),
                        'width':$(document).width()-21
                        })
                    .bind('click',function(){
                        if(!settings.modal) $.prettyPhoto.close();
                    });
                } else if (jQuery.browser.msie && parseInt(jQuery.browser.version) == 6){
                $pp_overlay
                    .css({
                        'opacity':0,
                        'height':$(document).height(),
                        'width':$(document).width()-17
                        })
                    .bind('click',function(){
                        if(!settings.modal) $.prettyPhoto.close();
                    });
                } else {
                $pp_overlay
                    .css({
                        'opacity':0,
                        'height':$(document).height(),
                        'width':$(document).width()
                        })
                    .bind('click',function(){
                        if(!settings.modal) $.prettyPhoto.close();
                    });
                };
            //edit 110228 end

            $('a.pp_close').bind('click',function(){ $.prettyPhoto.close(); return false; });

            $('a.pp_expand').bind('click',function(e){
                // Expand the image
                if($(this).hasClass('pp_expand')){
                    $(this).removeClass('pp_expand').addClass('pp_contract');
                    doresize = false;
                }else{
                    $(this).removeClass('pp_contract').addClass('pp_expand');
                    doresize = true;
                };
            
                _hideContent(function(){ $.prettyPhoto.open(); });
        
                return false;
            });
        
            $pp_pic_holder.find('.pp_previous, .pp_nav .pp_arrow_previous').bind('click',function(){
                $.prettyPhoto.changePage('previous');
                $.prettyPhoto.stopSlideshow();
                return false;
            });
        
            $pp_pic_holder.find('.pp_next, .pp_nav .pp_arrow_next').bind('click',function(){
                $.prettyPhoto.changePage('next');
                $.prettyPhoto.stopSlideshow();
                return false;
            });
            
            _center_overlay(); // Center it
        };
        
        return this.unbind('click').click($.prettyPhoto.initialize); // Return the jQuery object for chaining. The unbind method is used to avoid click conflict when the plugin is called more than once
    };
    
    function grab_param(name,url){
      name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
      var regexS = "[\\?&]"+name+"=([^&#]*)";
      var regex = new RegExp( regexS );
      var results = regex.exec( url );
      return ( results == null ) ? "" : results[1];
    }
    
})(jQuery);